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Warrants | 12 Months Ended
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Dec. 30, 2017
FairValueAssumptionsRiskFreeInterestRateStockIssuance |
Warrants | The following table summarizes activity of warrants at December 30, 2017, December 31, 2016 and January 2, 2016 and changes during the years then ended:
|  |  |  |  | Weighted Average |  |  |  |
|  |  |  |  |  |  |  | Remaining |  |  | Aggregate |
|  | Number of |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | Term |  |  | Value |
Outstanding and exercisable at January 3, 2015 |  |  | 156,341 |  |  |  | 3.21 |  |  |  | 4.43 |  |  |  |  |
Warrants Issued |  |  | 266,667 |  |  |  | 4.50 |  |  |  |  |  |  |  |  |
Warrants Exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Warrants Expired |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Outstanding and exercisable at January 2, 2016 |  |  | 423,008 |  |  |  | 4.02 |  |  |  | 3.07 |  |  |  |  |
Warrants Issued |  |  | 64,103 |  |  |  | 4.80 |  |  |  |  |  |  |  |  |
Warrants Exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Warrants Expired |  |  | (16,667 | ) |  |  | 3.30 |  |  |  |  |  |  |  |  |
Outstanding and exercisable at December 31, 2016 |  |  | 470,444 |  |  |  | 4.15 |  |  |  | 2.17 |  |  |  |  |
Warrants Issued |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Warrants Exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Warrants Expired |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Outstanding and exercisable at December 30, 2017 |  |  | 470,444 |  |  | $ | 4.15 |  |  |  | 1.17 |  |  | $ | 814,000 |
The aggregate intrinsic values in the table above are based on the Company’s closing stock price of $5.88 on the last day of business for the year ended December 30, 2017. The fair values of warrants issued were estimated at the date of issuance using the Black-Scholes based valuation model. The table below outlines the weighted average assumptions for the warrants issued during the years ended December 31, 2016 and January 2, 2016.
|  | 2016 |  |  | 2015 |
Fair value of common stock |  | $ | 4.41 |  |  | $ | 4.41 |
Contractual term |  |  | 3.0 years |  |  |  | 3.0 years |
Volatility |  |  | 60 | % |  |  | 62 | %
Risk-free rate |  |  | 1.16 | % |  |  | 1.27 | %
Expected dividends |  |  | 0 | % |  |  | 0 | %

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